#1
Haven't been on here to post in quite some time, but had something odd happen while rehearsing this week and figured I would see if anyone has had this happen or perhaps a solution.

I play bass and use an effects pedal, usually kept on bypass unless I need something from it.

Vocalist had a small effects processor (mostly reverb) on the PA set up. It was run into the PA with a cable but he uses a wireless mic (not sure why in practice but whatev...).

I was experiencing some heavy interference through my amp. It sounded like I had a phaser on with reverb in there. Even directly plugged into the amp. As soon as he turned the effects off on his end the sound cleared up. We play in a concrete basement if that means anything.

We are going to move the room around next week to try to eliminate this (as I stand next to him with my amp near me) but I figured I would check with the UG masses.

Also I am not plugged into the same surge protector that he is and in a completely separate outlet.

Any ideas?

Also I posted this in the gear building thread and realized that wasn't the right place. Any idea how to delete it? :|
#2
My guess would be either from the wireless mic or something else in the chain. Is your setup somewhat far away from his wireless receiver and the PA etc...?
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#3
It is about 6-7 feet away. We are going to attempt to change that next week and may move him to the other side of the room as well.
#4
You're getting YOUR bass through his mike and you're producing phasing interference. It's one of the reasons a lot of bands go for much lower onstage volume. You can cut it down by cutting down your volume and by isolating him a bit (put the mike on a stand, put one of those foam baffles around him, especially in back. You may have to create a bit of an isolation booth for him.

If you all have mikes, you may need to reduce your instrument output volumes a *lot*.
Last edited by dspellman at Nov 16, 2016,